component.getFeatures().add(feature);

            component.addVariantsFromConfiguration(feature.getApiElementsConfiguration(), new JavaConfigurationVariantMapping("compile", true, feature.getCompileClasspathConfiguration()));

     * or {@code runtimeOnly} dependencies.
     *
     * @return The {@code apiElements} configuration.
     */
    Configuration getApiElementsConfiguration();

    /**
     * Get the consumable configuration which produces the {@code runtimeElements} variant of this feature.
     * This configuration includes all runtime dependencies as well as the feature's

            }

            if (spec.isPublished()) {
                adhocComponent.addVariantsFromConfiguration(feature.getApiElementsConfiguration(), new JavaConfigurationVariantMapping("compile", true, feature.getCompileClasspathConfiguration()));

    }

    @Override
    public Configuration getCompileClasspathConfiguration() {
        return compileClasspath;
    }

    @Override
    public Configuration getApiElementsConfiguration() {
        return apiElements;
    }

    @Override
    public Configuration getRuntimeElementsConfiguration() {
        return runtimeElements;
    }

    @Override

        // TODO: This process of manually adding variants to the component should be handled automatically when adding the feature to the component.
        component.addVariantsFromConfiguration(mainFeature.getApiElementsConfiguration(), new JavaConfigurationVariantMapping("compile", false, mainFeature.getCompileClasspathConfiguration()));